English

air cover

From air + cover.

A compound of air + cover

Ancient Greek ᾱ̓ήρ ‘mist, air’

Latin āēr

Old French air

Middle English aire

English air

Proto-Italic *opweriō

…

Latin cooperiō ‘to cover completely’

Late Latin cooperiō ‘to cover’

Old French covrir

Middle English coveren ‘to cover’

English cover

Today it means

noun protection (of land or sea operations) by aircraft

Language periods are conventional ranges, not dates for this word.

Etymograph / air cover